預約課程還可獲贈免費的學習復習診斷
中考在即,你做好準備了嗎?許多同學已經(jīng)進入刷題的狀態(tài)了,英語的學習和任何語言的學習都一樣,需要日積月累的基礎訓練和概念梳理。對于許多初中的同學來說,各種詞匯和語法是學習英語時遇到的難點,本篇是中考英語知識點-狀語從句講解,希望對你有用!點開學習!
中考英語知識點梳理:狀語從句講解
【考點直擊】
1. 時間狀語從句
2. 條件狀語從句
3. 原因狀語從句
4. 結果狀語從句
5. 比較狀語從句
6. 目的狀語從句
7. 讓步狀語從句
8. 地點狀語從句
【老師點睛】
用來修飾主句中的動詞,副詞和形容詞的從句叫狀語從句。根據(jù)其含義狀語從句可分為時間狀語從句,地點狀語從句,條件狀語從句, 原因狀語從句,結果狀語從句,比較狀語從句,目的狀語從句,讓步狀語從句。
1. 時間狀語從句
(1)時間狀語從句常用when, as, while, before, after, since, till, until, as soon as等連詞來引導。例如:
It was raining hard when got to school yesterday.
While he was doing his homework, the telephone rang.
As he walked along the lake, he sang happily.
He had learned a little Chinese before he came to China.
After he finished middle school, he went to work in a factory.
(2)在時間狀語從句里,通常不用將來時態(tài),用現(xiàn)在時態(tài)表示將來的動作或狀態(tài)。例如:
I’ll ring you up as soon as I get to New York.
I will tell him everything when he comes back.
He won’t believe it until he sees it with his own eyes.
(3)在帶有till或until引導的時間狀語從句的主從復合句里,如果主句用肯定式,其含義是“一直到……時”,謂語動詞只能用延續(xù)性動詞。如果主句用否定式,其含義是“直到……才……”, “在……以前不……”, 謂語動詞可用瞬間動詞。例如:
The young man read till the light went out.
Let’s wait until the rain stops.
We won’t start until Bob comes.
Don’t get off until the bus stops.
2. 條件狀語從句
(1)條件狀語從句通常由if, unless引導。例如:
What shall we do if it snows tomorrow?
Don’t leave the building unless I tell you to.
(2)在條件狀語從句里,謂語動詞通常用現(xiàn)在時態(tài)表示將來的動作或狀態(tài)。例如:
I’ll help you with your English if am free tomorrow.
He won’t be late unless he is ill.
(3)“祈使句 + and (or)+ 陳述句” 在意思上相當于一個帶有條件狀語從句的復合句。例如:
Hurry up, or you’ll be late.
=If you don’t hurry up, you’ll be late.
Study hard and you will pass the exam.
=If you study hard, you will pass the exam.
3. 原因狀語從句
(1)原因狀語從句通常由because, since, as引導。例如:
He didn’t come to school because he was ill.
As it is raining, we shall not go the zoo.
Since you can’t answer the question, I’ll ask someone else.
(2)because表示直接原因,語氣較強。Because引導的原因狀語從句多放在主句之后;卮鹩蓋hy提出的問題,只能用because。As和since語氣較弱,一般用來表示明顯的原因。由as和since引導的原因狀語從居多放在句首。例如:
------Why aren’t going there?
------Because I don’t want to.
As he has no car, he can’t get there easily.
Since we have no money, we can’t buy it.
(3)because和so不能同用在一個句子里。
4. 結果狀語從句
(1)結果狀語從句由so…that, such…that, so that引導。例如:
He is so poor that he can’t buy a bike for his son.
She is such a good teacher that everybody likes her.
My pencil fell under the desk, so that I couldn’t see it.
(2)so…that語such...that可以互換。例如:
在由so...that引導的結果狀語從句中,so是副詞,與形容詞連用。其結構是: “...so + 形容詞(副詞)+ that + 從句”。例如:
He was so glad that he couldn’t say a word.
The hall is so big that it can hold 2,000 people.
Mother lives so far away that we hardly ever see her.
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